2 Assorted sizes: large size that the cap, post and base all are 8 mm (5/ 16 inch); Small size that the cap, post and base all are 6 mm (1/ 4 inch); Each size has 3 colorsPractical base tool: there are groove on the base that can fix rivet and prevent rivet knocking bending and sliding, one side groove of the the base size is 8 mm and another side is 6 mmApplications: these leather rivets can be applied for DIY crafts or clothing such as shoes, hats, jeans, windbreaker, down jacket, jackets and so on; Come with a storage box, allows you to find these components quicklyNice appearance: both sides of rivets have a cap that gives it a good appearance (Warm note: these leather rivets are small items, please keep them away from children to avoid choking by mistakes)Warm notice:please keep small items away from children to avoid choking by mistakes.Material:MetalColor:Gold + Silver + BronzePackage Contents:180 * Rivets3 * Fixing Tool1 * BaseOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.